Efeoğlu

surname · Latin script

(measured from records)Officially recorded in 1 country

Efeoğlu is a surname written in the Latin script, with more bearers in Türkiye than in any other country.

  • TRTürkiye≈1 in 35K(inferred from the name graph)
  • DEGermany≈1 in 1.5Mfew records
  • CHSwitzerland1 in 2.8M

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.

Türkiye (inferred from the name graph)

≈2,500 people, est.

Record sources
36 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

≈1 in 35K (inferred from the name graph)

Türkiye, est.

measured from records inferred from the name graph

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Spellings & scripts

(measured from records)

Locally spelled Efeoglu in DE Germany, US United States, SE Sweden.

Meaning & origin

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Attested across 2 languages in the etymology graph.

Where the surname Efeoğlu is found

(measured from records)

Efeoğlu counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.

Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.

Where Efeoğlu is recorded, by country
CountryMost common spellingSources
TR Türkiye≈2,500 est.≈1 in 35K—Efeoğlu31
DE Germany≈55 est.≈1 in 1.5M—Efeoglu32
CY Cyprus≈39 est.≈1 in 35K—Efeoğlu3
US United States≈10 est.≈1 in 33MlistedEfeoglu36
SE Sweden≈4 est.≈1 in 2.7M—Efeoglu5
CH Switzerland31 in 2.8M3—1

Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.

Registers cited: BFS — Familiennamen der Wohnbevölkerung (surnames). Figures without a register are Mondonomo estimates; see Methodology.

Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).

Other names spelled this way

(inferred from the name graph)

Efeoğlu is also recorded as 5 other names, grouped separately because the records behind them do not connect to the one described above.

  • Bulgarian surname6 spellings in the group

    Most recorded in Bulgaria, Türkiye

    Also written Efeoglu, Efeoĝlu

  • a separate name3 spellings in the group

    Also written Efeoǧlu, Efeoglu

  • Spanish surname4 spellings in the group

    Most recorded in Türkiye, United States

    Languages: Spanish, Portuguese

    Also written Efeoglu

  • a separate surname3 spellings in the group

    Most recorded in Türkiye

    Also written Efeoglu

  • French surname2 spellings in the group

    Most recorded in France

    Also written Efeoglu

8 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Evidence

(measured from records)

No register attests this spelling yet

None of the official registers or reference works in our corpus lists Efeoğlu under this spelling. The statistics on this page rest on person records, and the related names are inferred from the name graph.

Register rows as of the 2026-10-09 data build.

Frequently asked questions

Which countries have the most people with the surname Efeoğlu?
Mondonomo estimates about 2.5 thousand people named Efeoğlu in Türkiye, more than in any other country we hold, where it is most often spelled efeoğlu. After it come Germany, Cyprus, United States and Sweden; the country table on this page ranks them.
How common is the name Efeoğlu?
In Switzerland, the national register counted 3 people named Efeoğlu in 2024, about 1 in 2.8 million residents.

What do you want to know about Efeoğlu?

Nobody replies to these one by one, but what readers ask decides what these pages answer next.

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/efeo%C4%9Flu

The payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.

About this data

measured from records inferred from the name graph machine-generated

These figures come from the data snapshot of and will change as it is rebuilt.

Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.

Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.

Cite this page Mondonomo, “Efeoğlu”. Data snapshot 2026-10-13.

See how Efeoğlu parses inside a full name →